910  
CDUS45 KRIW 200732  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
1232 AM MST MON NOV 20 2023  
   
...............................  
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR NOVEMBER 19 2023  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 36 MM 47 2008 30 6 27  
MINIMUM 24 MM -12 2022 10 14 -12  
AVERAGE 30 20 10 8  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 0.37 2020 0.07 0.06 0.00  
MONTH TO DATE 1.82 1.31 0.51 2.62  
SINCE SEP 1 8.06 4.73 3.33 6.07  
SINCE JAN 1 26.09 19.99 6.10 24.08  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 45 -10 57  
MONTH TO DATE 614 785 -171 919  
SINCE SEP 1 2010 2345 -335 2217  
SINCE JUL 1 2543 2987 -444 2661  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 5 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 1.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 6:00 AM  
LOWEST 64 12:00 PM  
AVERAGE 80  
   
......................................................  
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 45 2016  
MINIMUM TEMPERATURE (F) 9 -12 2015  
 
SUNRISE AND SUNSET  
NOVEMBER 20 2023......SUNRISE 7:24 AM MST SUNSET 4:50 PM MST  
NOVEMBER 21 2023......SUNRISE 7:26 AM MST SUNSET 4:49 PM MST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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